Home / 278,788,036.59-418,229,696.97-114,936,223.41

Finding the Fourth Proportional to 278,788,036.59, 418,229,696.97 and 114,936,223.41

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Solution

The fourth proportional to 278,788,036.59, 418,229,696.97 and 114,936,223.41 is: 172,423,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,788,036.59 : 418,229,696.97 = 114,936,223.41 : x
  2. Step 2: Convert to fraction form
    278,788,036.59/418,229,696.97 = 114,936,223.41/x
  3. Step 3: Cross multiply
    278,788,036.59x = 418,229,696.97 × 114,936,223.41
  4. Step 4: Simplify right side
    278,788,036.59x = 48,069,741,888,306,976
  5. Step 5: Solve for x
    x = 48,069,741,888,306,976/278,788,036.59
  6. Step 6: Final answer
    x = 172,423,976.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.